SB2025012969 - Uninitialized kernel memory disclosure via ktrace in FreeBSD
Published: January 29, 2025 Updated: July 30, 2026
Security Bulletin ID
SB2025012969
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Initialization (CVE-ID: CVE-2025-0662)
CWE-ID: CWE-665 - Improper Initialization
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to disclose sensitive information.
The vulnerability exists due to improper initialization in the ktrace facility when copying a variable-sized sockaddr to userspace. A local user can trigger kernel trace logging to disclose sensitive information.
Up to 14 bytes of uninitialized kernel heap memory may be copied to userspace.
Remediation
Install update from vendor's website.